1. Register at http://www.pearsonschool.com/index.cfm?locator=PSZj4a 2. Enter "SSNAST" as the "first 6 letters of your access code." 3. Click on "Covered Titles" >> "Science" and select "Timberlake, Basic Chemistry 4eMasteringChemistry." >> Click on "Student Registration" 4. Accept Privacy Policy and License Agreement. 5. Access Information- *Enter or create your username & password * Enter the access code: Section 03 : SSNAST-EMAIL-MESIC-REGNA-MERCY-NURSE Section 05 : SSNAST-PATIL-MESIC-REGNA-ABBOT-SITES 6. Account Information- complete or verify your name & school information. You will have to input "Crystal Lake South High School" as "other" (it will not be listed in the dropdown menu). 7. Confirmation & Summary